includes/Skin.php

   1 <?php
   2 /**
   3  * @defgroup Skins Skins
   4  */
   5
   6 if ( ! defined( 'MEDIAWIKI' ) )
   7         die( 1 );
   8
   9 /**
  10  * The main skin class that provide methods and properties for all other skins.
  11  * This base class is also the "Standard" skin.
  12  *
  13  * See docs/skin.txt for more information.
  14  *
  15  * @ingroup Skins
  16  */
  17 class Skin extends Linker {
  18         /**#@+
  19          * @private
  20          */
  21         var $mWatchLinkNum = 0; // Appended to end of watch link id's
  22         // How many search boxes have we made?  Avoid duplicate id's.
  23         protected $searchboxes = '';
  24         /**#@-*/
  25         protected $mRevisionId; // The revision ID we're looking at, null if not applicable.
  26         protected $skinname = 'standard' ;
  27
  28         /** Constructor, call parent constructor */
  29         function Skin() { parent::__construct(); }
  30
  31         /**
  32          * Fetch the set of available skins.
  33          * @return array of strings
  34          * @static
  35          */
  36         static function getSkinNames() {
  37                 global $wgValidSkinNames;
  38                 static $skinsInitialised = false;
  39                 if ( !$skinsInitialised ) {
  40                         # Get a list of available skins
  41                         # Build using the regular expression '^(.*).php$'
  42                         # Array keys are all lower case, array value keep the case used by filename
  43                         #
  44                         wfProfileIn( __METHOD__ . '-init' );
  45                         global $wgStyleDirectory;
  46                         $skinDir = dir( $wgStyleDirectory );
  47
  48                         # while code from www.php.net
  49                         while (false !== ($file = $skinDir->read())) {
  50                                 // Skip non-PHP files, hidden files, and '.dep' includes
  51                                 $matches = array();
  52                                 if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  53                                         $aSkin = $matches[1];
  54                                         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  55                                 }
  56                         }
  57                         $skinDir->close();
  58                         $skinsInitialised = true;
  59                         wfProfileOut( __METHOD__ . '-init' );
  60                 }
  61                 return $wgValidSkinNames;
  62         }
  63
  64         /**
  65          * Fetch the list of usable skins in regards to $wgSkipSkins.
  66          * Useful for Special:Preferences and other places where you
  67          * only want to show skins users _can_ use.
  68          * @return array of strings
  69          */
  70         public static function getUsableSkins() {
  71                 global $wgSkipSkins;
  72                 $usableSkins = self::getSkinNames();
  73                 foreach ( $wgSkipSkins as $skip ) {
  74                         unset( $usableSkins[$skip] );
  75                 }
  76                 return $usableSkins;
  77         }
  78
  79         /**
  80          * Normalize a skin preference value to a form that can be loaded.
  81          * If a skin can't be found, it will fall back to the configured
  82          * default (or the old 'Classic' skin if that's broken).
  83          * @param string $key
  84          * @return string
  85          * @static
  86          */
  87         static function normalizeKey( $key ) {
  88                 global $wgDefaultSkin;
  89                 $skinNames = Skin::getSkinNames();
  90
  91                 if( $key == '' ) {
  92                         // Don't return the default immediately;
  93                         // in a misconfiguration we need to fall back.
  94                         $key = $wgDefaultSkin;
  95                 }
  96
  97                 if( isset( $skinNames[$key] ) ) {
  98                         return $key;
  99                 }
 100
 101                 // Older versions of the software used a numeric setting
 102                 // in the user preferences.
 103                 $fallback = array(
 104                         0 => $wgDefaultSkin,
 105                         1 => 'nostalgia',
 106                         2 => 'cologneblue' );
 107
 108                 if( isset( $fallback[$key] ) ){
 109                         $key = $fallback[$key];
 110                 }
 111
 112                 if( isset( $skinNames[$key] ) ) {
 113                         return $key;
 114                 } else {
 115                         return 'monobook';
 116                 }
 117         }
 118
 119         /**
 120          * Factory method for loading a skin of a given type
 121          * @param string $key 'monobook', 'standard', etc
 122          * @return Skin
 123          * @static
 124          */
 125         static function &newFromKey( $key ) {
 126                 global $wgStyleDirectory;
 127
 128                 $key = Skin::normalizeKey( $key );
 129
 130                 $skinNames = Skin::getSkinNames();
 131                 $skinName = $skinNames[$key];
 132                 $className = 'Skin'.ucfirst($key);
 133
 134                 # Grab the skin class and initialise it.
 135                 if ( !class_exists( $className ) ) {
 136                         // Preload base classes to work around APC/PHP5 bug
 137                         $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
 138                         if( file_exists( $deps ) ) include_once( $deps );
 139                         require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 140
 141                         # Check if we got if not failback to default skin
 142                         if( !class_exists( $className ) ) {
 143                                 # DO NOT die if the class isn't found. This breaks maintenance
 144                                 # scripts and can cause a user account to be unrecoverable
 145                                 # except by SQL manipulation if a previously valid skin name
 146                                 # is no longer valid.
 147                                 wfDebug( "Skin class does not exist: $className\n" );
 148                                 $className = 'SkinMonobook';
 149                                 require_once( "{$wgStyleDirectory}/MonoBook.php" );
 150                         }
 151                 }
 152                 $skin = new $className;
 153                 return $skin;
 154         }
 155
 156         /** @return string path to the skin stylesheet */
 157         function getStylesheet() {
 158                 return 'common/wikistandard.css';
 159         }
 160
 161         /** @return string skin name */
 162         public function getSkinName() {
 163                 return $this->skinname;
 164         }
 165
 166         function qbSetting() {
 167                 global $wgOut, $wgUser;
 168
 169                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 170                 $q = $wgUser->getOption( 'quickbar', 0 );
 171                 return $q;
 172         }
 173
 174         function initPage( &$out ) {
 175                 global $wgFavicon, $wgAppleTouchIcon;
 176
 177                 wfProfileIn( __METHOD__ );
 178
 179                 if( false !== $wgFavicon ) {
 180                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 181                 }
 182
 183                 if( false !== $wgAppleTouchIcon ) {
 184                         $out->addLink( array( 'rel' => 'apple-touch-icon', 'href' => $wgAppleTouchIcon ) );
 185                 }
 186
 187                 # OpenSearch description link
 188                 $out->addLink( array(
 189                         'rel' => 'search',
 190                         'type' => 'application/opensearchdescription+xml',
 191                         'href' => wfScript( 'opensearch_desc' ),
 192                         'title' => wfMsgForContent( 'opensearch-desc' ),
 193                 ));
 194
 195                 $this->addMetadataLinks($out);
 196
 197                 $this->mRevisionId = $out->mRevisionId;
 198
 199                 $this->preloadExistence();
 200
 201                 wfProfileOut( __METHOD__ );
 202         }
 203
 204         /**
 205          * Preload the existence of three commonly-requested pages in a single query
 206          */
 207         function preloadExistence() {
 208                 global $wgUser, $wgTitle;
 209
 210                 // User/talk link
 211                 $titles = array( $wgUser->getUserPage(), $wgUser->getTalkPage() );
 212
 213                 // Other tab link
 214                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
 215                         // nothing
 216                 } elseif ( $wgTitle->isTalkPage() ) {
 217                         $titles[] = $wgTitle->getSubjectPage();
 218                 } else {
 219                         $titles[] = $wgTitle->getTalkPage();
 220                 }
 221
 222                 $lb = new LinkBatch( $titles );
 223                 $lb->execute();
 224         }
 225
 226         function addMetadataLinks( &$out ) {
 227                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 228                 global $wgRightsPage, $wgRightsUrl;
 229
 230                 if( $out->isArticleRelated() ) {
 231                         # note: buggy CC software only reads first "meta" link
 232                         if( $wgEnableCreativeCommonsRdf ) {
 233                                 $out->addMetadataLink( array(
 234                                         'title' => 'Creative Commons',
 235                                         'type' => 'application/rdf+xml',
 236                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 237                         }
 238                         if( $wgEnableDublinCoreRdf ) {
 239                                 $out->addMetadataLink( array(
 240                                         'title' => 'Dublin Core',
 241                                         'type' => 'application/rdf+xml',
 242                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 243                         }
 244                 }
 245                 $copyright = '';
 246                 if( $wgRightsPage ) {
 247                         $copy = Title::newFromText( $wgRightsPage );
 248                         if( $copy ) {
 249                                 $copyright = $copy->getLocalURL();
 250                         }
 251                 }
 252                 if( !$copyright && $wgRightsUrl ) {
 253                         $copyright = $wgRightsUrl;
 254                 }
 255                 if( $copyright ) {
 256                         $out->addLink( array(
 257                                 'rel' => 'copyright',
 258                                 'href' => $copyright ) );
 259                 }
 260         }
 261
 262         function outputPage( &$out ) {
 263                 global $wgDebugComments;
 264
 265                 wfProfileIn( __METHOD__ );
 266                 $this->initPage( $out );
 267
 268                 $out->out( $out->headElement() );
 269
 270                 $out->out( "\n<body" );
 271                 $ops = $this->getBodyOptions();
 272                 foreach ( $ops as $name => $val ) {
 273                         $out->out( " $name='$val'" );
 274                 }
 275                 $out->out( ">\n" );
 276                 if ( $wgDebugComments ) {
 277                         $out->out( "<!-- Wiki debugging output:\n" .
 278                           $out->mDebugtext . "-->\n" );
 279                 }
 280
 281                 $out->out( $this->beforeContent() );
 282
 283                 $out->out( $out->mBodytext . "\n" );
 284
 285                 $out->out( $this->afterContent() );
 286
 287                 $out->out( $this->bottomScripts() );
 288
 289                 $out->out( wfReportTime() );
 290
 291                 $out->out( "\n</body></html>" );
 292                 wfProfileOut( __METHOD__ );
 293         }
 294
 295         static function makeVariablesScript( $data ) {
 296                 global $wgJsMimeType;
 297
 298                 $r = array( "<script type= \"$wgJsMimeType\">/*<![CDATA[*/" );
 299                 foreach ( $data as $name => $value ) {
 300                         $encValue = Xml::encodeJsVar( $value );
 301                         $r[] = "var $name = $encValue;";
 302                 }
 303                 $r[] = "/*]]>*/</script>\n";
 304
 305                 return implode( "\n\t\t", $r );
 306         }
 307
 308         /**
 309          * Make a <script> tag containing global variables
 310          * @param array $data Associative array containing one element:
 311          *     skinname => the skin name
 312          * The odd calling convention is for backwards compatibility
 313          */
 314         static function makeGlobalVariablesScript( $data ) {
 315                 global $wgScript, $wgStylePath, $wgUser;
 316                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 317                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 318                 global $wgBreakFrames, $wgRequest, $wgVariantArticlePath, $wgActionPaths;
 319                 global $wgUseAjax, $wgAjaxWatch;
 320                 global $wgVersion, $wgEnableAPI, $wgEnableWriteAPI;
 321                 global $wgRestrictionTypes, $wgLivePreview;
 322                 global $wgMWSuggestTemplate, $wgDBname, $wgEnableMWSuggest;
 323
 324                 $ns = $wgTitle->getNamespace();
 325                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 326
 327                 $vars = array(
 328                         'skin' => $data['skinname'],
 329                         'stylepath' => $wgStylePath,
 330                         'wgArticlePath' => $wgArticlePath,
 331                         'wgScriptPath' => $wgScriptPath,
 332                         'wgScript' => $wgScript,
 333                         'wgVariantArticlePath' => $wgVariantArticlePath,
 334                         'wgActionPaths' => $wgActionPaths,
 335                         'wgServer' => $wgServer,
 336                         'wgCanonicalNamespace' => $nsname,
 337                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBkey() ),
 338                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 339                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 340                         'wgTitle' => $wgTitle->getText(),
 341                         'wgAction' => $wgRequest->getText( 'action', 'view' ),
 342                         'wgArticleId' => $wgTitle->getArticleId(),
 343                         'wgIsArticle' => $wgOut->isArticle(),
 344                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 345                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 346                         'wgUserLanguage' => $wgLang->getCode(),
 347                         'wgContentLanguage' => $wgContLang->getCode(),
 348                         'wgBreakFrames' => $wgBreakFrames,
 349                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 350                         'wgVersion' => $wgVersion,
 351                         'wgEnableAPI' => $wgEnableAPI,
 352                         'wgEnableWriteAPI' => $wgEnableWriteAPI,
 353                 );
 354
 355                 if( $wgUseAjax && $wgEnableMWSuggest && !$wgUser->getOption( 'disablesuggest', false )){
 356                         $vars['wgMWSuggestTemplate'] = SearchEngine::getMWSuggestTemplate();
 357                         $vars['wgDBname'] = $wgDBname;
 358                         $vars['wgSearchNamespaces'] = SearchEngine::userNamespaces( $wgUser );
 359                         $vars['wgMWSuggestMessages'] = array( wfMsg('search-mwsuggest-enabled'), wfMsg('search-mwsuggest-disabled'));
 360                 }
 361
 362                 foreach( $wgRestrictionTypes as $type )
 363                         $vars['wgRestriction' . ucfirst( $type )] = $wgTitle->getRestrictions( $type );
 364
 365                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 366                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 367                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 368                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 369                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 370                 }
 371
 372                 if($wgUseAjax && $wgAjaxWatch && $wgUser->isLoggedIn() ) {
 373                         $msgs = (object)array();
 374                         foreach ( array( 'watch', 'unwatch', 'watching', 'unwatching' ) as $msgName ) {
 375                                 $msgs->{$msgName . 'Msg'} = wfMsg( $msgName );
 376                         }
 377                         $vars['wgAjaxWatch'] = $msgs;
 378                 }
 379
 380                 wfRunHooks('MakeGlobalVariablesScript', array(&$vars));
 381
 382                 return self::makeVariablesScript( $vars );
 383         }
 384
 385         function getHeadScripts( $allowUserJs ) {
 386                 global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
 387
 388                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 389
 390                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 391                 global $wgUseSiteJs;
 392                 if ($wgUseSiteJs) {
 393                         $jsCache = $wgUser->isLoggedIn() ? '&smaxage=0' : '';
 394                         $r .= "<script type=\"$wgJsMimeType\" src=\"".
 395                                 htmlspecialchars(self::makeUrl('-',
 396                                         "action=raw$jsCache&gen=js&useskin=" .
 397                                         urlencode( $this->getSkinName() ) ) ) .
 398                                 "\"><!-- site js --></script>\n";
 399                 }
 400                 if( $allowUserJs && $wgUser->isLoggedIn() ) {
 401                         $userpage = $wgUser->getUserPage();
 402                         $userjs = htmlspecialchars( self::makeUrl(
 403                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 404                                 'action=raw&ctype='.$wgJsMimeType));
 405                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 406                 }
 407                 return $r;
 408         }
 409
 410         /**
 411          * To make it harder for someone to slip a user a fake
 412          * user-JavaScript or user-CSS preview, a random token
 413          * is associated with the login session. If it's not
 414          * passed back with the preview request, we won't render
 415          * the code.
 416          *
 417          * @param string $action
 418          * @return bool
 419          * @private
 420          */
 421         function userCanPreview( $action ) {
 422                 global $wgTitle, $wgRequest, $wgUser;
 423
 424                 if( $action != 'submit' )
 425                         return false;
 426                 if( !$wgRequest->wasPosted() )
 427                         return false;
 428                 if( !$wgTitle->userCanEditCssJsSubpage() )
 429                         return false;
 430                 return $wgUser->matchEditToken(
 431                         $wgRequest->getVal( 'wpEditToken' ) );
 432         }
 433
 434         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 435         function getUserStylesheet() {
 436                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 437                 $sheet = $this->getStylesheet();
 438                 $s = "@import \"$wgStylePath/common/shared.css?$wgStyleVersion\";\n";
 439                 $s .= "@import \"$wgStylePath/common/oldshared.css?$wgStyleVersion\";\n";
 440                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 441                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 442
 443                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 444                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 445                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 446
 447                 $s .= $this->doGetUserStyles();
 448                 return $s."\n";
 449         }
 450
 451         /**
 452          * This returns MediaWiki:Common.js, and derived classes may add other JS.
 453          * Despite its name, it does *not* return any custom user JS from user
 454          * subpages.  The returned script is sitewide and publicly cacheable and
 455          * therefore must not include anything that varies according to user,
 456          * interface language, etc. (although it may vary by skin).  See
 457          * makeGlobalVariablesScript for things that can vary per page view and are
 458          * not cacheable.
 459          *
 460          * @return string Raw JavaScript to be returned
 461          */
 462         public function getUserJs() {
 463                 wfProfileIn( __METHOD__ );
 464
 465                 global $wgStylePath;
 466                 $s = "/* generated javascript */\n";
 467                 $s .= "var skin = '" . Xml::escapeJsString( $this->getSkinName() ) . "';\n";
 468                 $s .= "var stylepath = '" . Xml::escapeJsString( $wgStylePath ) . "';";
 469                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 470                 $commonJs = wfMsgForContent('common.js');
 471                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 472                         $s .= $commonJs;
 473                 }
 474                 wfProfileOut( __METHOD__ );
 475                 return $s;
 476         }
 477
 478         /**
 479          * Return html code that include User stylesheets
 480          */
 481         function getUserStyles() {
 482                 $s = "<style type='text/css'>\n";
 483                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 484                 $s .= $this->getUserStylesheet();
 485                 $s .= "/*]]>*/ /* */\n";
 486                 $s .= "</style>\n";
 487                 return $s;
 488         }
 489
 490         /**
 491          * Some styles that are set by user through the user settings interface.
 492          */
 493         function doGetUserStyles() {
 494                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 495
 496                 $s = '';
 497
 498                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 499                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 500                                 $s .= $wgRequest->getText('wpTextbox1');
 501                         } else {
 502                                 $userpage = $wgUser->getUserPage();
 503                                 $s.= '@import "'.self::makeUrl(
 504                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 505                                         'action=raw&ctype=text/css').'";'."\n";
 506                         }
 507                 }
 508
 509                 return $s . $this->reallyDoGetUserStyles();
 510         }
 511
 512         function reallyDoGetUserStyles() {
 513                 global $wgUser;
 514                 $s = '';
 515                 if (($undopt = $wgUser->getOption("underline")) < 2) {
 516                         $underline = $undopt ? 'underline' : 'none';
 517                         $s .= "a { text-decoration: $underline; }\n";
 518                 }
 519                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 520                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 521                 } else {
 522                         $s .= <<<END
 523 a.new, #quickbar a.new,
 524 a.stub, #quickbar a.stub {
 525         color: inherit;
 526 }
 527 a.new:after, #quickbar a.new:after {
 528         content: "?";
 529         color: #CC2200;
 530 }
 531 a.stub:after, #quickbar a.stub:after {
 532         content: "!";
 533         color: #772233;
 534 }
 535 END;
 536                 }
 537                 if( $wgUser->getOption( 'justify' ) ) {
 538                         $s .= "#article, #bodyContent, #mw_content { text-align: justify; }\n";
 539                 }
 540                 if( !$wgUser->getOption( 'showtoc' ) ) {
 541                         $s .= "#toc { display: none; }\n";
 542                 }
 543                 if( !$wgUser->getOption( 'editsection' ) ) {
 544                         $s .= ".editsection { display: none; }\n";
 545                 }
 546                 return $s;
 547         }
 548
 549         function getBodyOptions() {
 550                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 551
 552                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 553
 554                 if ( 0 != $wgTitle->getNamespace() ) {
 555                         $a = array( 'bgcolor' => '#ffffec' );
 556                 }
 557                 else $a = array( 'bgcolor' => '#FFFFFF' );
 558                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 559                   $wgTitle->userCan( 'edit' ) ) {
 560                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 561                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 562                         $a += array ('ondblclick' => $s);
 563
 564                 }
 565                 $a['onload'] = $wgOut->getOnloadHandler();
 566                 $a['class'] =
 567                         'mediawiki ns-'.$wgTitle->getNamespace().
 568                         ' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 569                         ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
 570                 return $a;
 571         }
 572
 573         /**
 574          * URL to the logo
 575          */
 576         function getLogo() {
 577                 global $wgLogo;
 578                 return $wgLogo;
 579         }
 580
 581         /**
 582          * This will be called immediately after the <body> tag.  Split into
 583          * two functions to make it easier to subclass.
 584          */
 585         function beforeContent() {
 586                 return $this->doBeforeContent();
 587         }
 588
 589         function doBeforeContent() {
 590                 global $wgContLang;
 591                 $fname = 'Skin::doBeforeContent';
 592                 wfProfileIn( $fname );
 593
 594                 $s = '';
 595                 $qb = $this->qbSetting();
 596
 597                 if( $langlinks = $this->otherLanguages() ) {
 598                         $rows = 2;
 599                         $borderhack = '';
 600                 } else {
 601                         $rows = 1;
 602                         $langlinks = false;
 603                         $borderhack = 'class="top"';
 604                 }
 605
 606                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 607                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 608
 609                 $shove = ($qb != 0);
 610                 $left = ($qb == 1 || $qb == 3);
 611                 if($wgContLang->isRTL()) $left = !$left;
 612
 613                 if ( !$shove ) {
 614                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 615                           $this->logoText() . '</td>';
 616                 } elseif( $left ) {
 617                         $s .= $this->getQuickbarCompensator( $rows );
 618                 }
 619                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 620                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 621
 622                 $s .= $this->topLinks() ;
 623                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 624
 625                 $r = $wgContLang->isRTL() ? "left" : "right";
 626                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 627                 $s .= $this->nameAndLogin();
 628                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 629
 630                 if ( $langlinks ) {
 631                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 632                 }
 633
 634                 if ( $shove && !$left ) { # Right
 635                         $s .= $this->getQuickbarCompensator( $rows );
 636                 }
 637                 $s .= "</tr>\n</table>\n</div>\n";
 638                 $s .= "\n<div id='article'>\n";
 639
 640                 $notice = wfGetSiteNotice();
 641                 if( $notice ) {
 642                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 643                 }
 644                 $s .= $this->pageTitle();
 645                 $s .= $this->pageSubtitle() ;
 646                 $s .= $this->getCategories();
 647                 wfProfileOut( $fname );
 648                 return $s;
 649         }
 650
 651
 652         function getCategoryLinks() {
 653                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 654                 global $wgContLang, $wgUser;
 655
 656                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 657
 658                 # Separator
 659                 $sep = wfMsgHtml( 'catseparator' );
 660
 661                 // Use Unicode bidi embedding override characters,
 662                 // to make sure links don't smash each other up in ugly ways.
 663                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 664                 $embed = "<span dir='$dir'>";
 665                 $pop = '</span>';
 666
 667                 $allCats = $wgOut->getCategoryLinks();
 668                 $s = '';
 669                 $colon = wfMsgExt( 'colon-separator', 'escapenoentities' );
 670                 if ( !empty( $allCats['normal'] ) ) {
 671                         $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $allCats['normal'] ) . $pop;
 672
 673                         $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escapenoentities' ), count( $allCats['normal'] ) );
 674                         $s .= '<div id="mw-normal-catlinks">' .
 675                                 $this->link( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 676                                 . $colon . $t . '</div>';
 677                 }
 678
 679                 # Hidden categories
 680                 if ( isset( $allCats['hidden'] ) ) {
 681                         if ( $wgUser->getBoolOption( 'showhiddencats' ) ) {
 682                                 $class ='mw-hidden-cats-user-shown';
 683                         } elseif ( $wgTitle->getNamespace() == NS_CATEGORY ) {
 684                                 $class = 'mw-hidden-cats-ns-shown';
 685                         } else {
 686                                 $class = 'mw-hidden-cats-hidden';
 687                         }
 688                         $s .= "<div id=\"mw-hidden-catlinks\" class=\"$class\">" .
 689                                 wfMsgExt( 'hidden-categories', array( 'parsemag', 'escapenoentities' ), count( $allCats['hidden'] ) ) .
 690                                 $colon . $embed . implode( "$pop $sep $embed", $allCats['hidden'] ) . $pop .
 691                                 "</div>";
 692                 }
 693
 694                 # optional 'dmoz-like' category browser. Will be shown under the list
 695                 # of categories an article belong to
 696                 if($wgUseCategoryBrowser) {
 697                         $s .= '<br /><hr />';
 698
 699                         # get a big array of the parents tree
 700                         $parenttree = $wgTitle->getParentCategoryTree();
 701                         # Skin object passed by reference cause it can not be
 702                         # accessed under the method subfunction drawCategoryBrowser
 703                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 704                         # Clean out bogus first entry and sort them
 705                         unset($tempout[0]);
 706                         asort($tempout);
 707                         # Output one per line
 708                         $s .= implode("<br />\n", $tempout);
 709                 }
 710
 711                 return $s;
 712         }
 713
 714         /** Render the array as a serie of links.
 715          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 716          * @param &skin Object: skin passed by reference
 717          * @return String separated by &gt;, terminate with "\n"
 718          */
 719         function drawCategoryBrowser($tree, &$skin) {
 720                 $return = '';
 721                 foreach ($tree as $element => $parent) {
 722                         if (empty($parent)) {
 723                                 # element start a new list
 724                                 $return .= "\n";
 725                         } else {
 726                                 # grab the others elements
 727                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 728                         }
 729                         # add our current element to the list
 730                         $eltitle = Title::newFromText($element);
 731                         $return .=  $skin->link( $eltitle, $eltitle->getText() ) ;
 732                 }
 733                 return $return;
 734         }
 735
 736         function getCategories() {
 737                 $catlinks=$this->getCategoryLinks();
 738
 739                 $classes = 'catlinks';
 740
 741                 if( strpos( $catlinks, '<div id="mw-normal-catlinks">' ) === false &&
 742                         strpos( $catlinks, '<div id="mw-hidden-catlinks" class="mw-hidden-cats-hidden">' ) !== false ) {
 743                         $classes .= ' catlinks-allhidden';
 744                 }
 745
 746                 if( !empty( $catlinks ) ){
 747                         return "<div id='catlinks' class='$classes'>{$catlinks}</div>";
 748                 }
 749         }
 750
 751         function getQuickbarCompensator( $rows = 1 ) {
 752                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 753         }
 754
 755         /**
 756          * This gets called shortly before the \</body\> tag.
 757          * @return String HTML to be put before \</body\>
 758          */
 759         function afterContent() {
 760                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 761                 return $printfooter . $this->doAfterContent();
 762         }
 763
 764         /**
 765          * This gets called shortly before the \</body\> tag.
 766          * @return String HTML-wrapped JS code to be put before \</body\>
 767          */
 768         function bottomScripts() {
 769                 global $wgJsMimeType;
 770                 $bottomScriptText = "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 771                 wfRunHooks( 'SkinAfterBottomScripts', array( $this, &$bottomScriptText ) );
 772                 return $bottomScriptText;
 773         }
 774
 775         /** @return string Retrievied from HTML text */
 776         function printSource() {
 777                 global $wgTitle;
 778                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 779                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 780         }
 781
 782         function printFooter() {
 783                 return "<p>" .  $this->printSource() .
 784                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 785         }
 786
 787         /** overloaded by derived classes */
 788         function doAfterContent() { }
 789
 790         function pageTitleLinks() {
 791                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 792
 793                 $oldid = $wgRequest->getVal( 'oldid' );
 794                 $diff = $wgRequest->getVal( 'diff' );
 795                 $action = $wgRequest->getText( 'action' );
 796
 797                 $s = $this->printableLink();
 798                 $disclaimer = $this->disclaimerLink(); # may be empty
 799                 if( $disclaimer ) {
 800                         $s .= ' | ' . $disclaimer;
 801                 }
 802                 $privacy = $this->privacyLink(); # may be empty too
 803                 if( $privacy ) {
 804                         $s .= ' | ' . $privacy;
 805                 }
 806
 807                 if ( $wgOut->isArticleRelated() ) {
 808                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 809                                 $name = $wgTitle->getDBkey();
 810                                 $image = wfFindFile( $wgTitle );
 811                                 if( $image ) {
 812                                         $link = htmlspecialchars( $image->getURL() );
 813                                         $style = $this->getInternalLinkAttributes( $link, $name );
 814                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 815                                 }
 816                         }
 817                 }
 818                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 819                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 820                                         wfMsg( 'currentrev' ) );
 821                 }
 822
 823                 if ( $wgUser->getNewtalk() ) {
 824                         # do not show "You have new messages" text when we are viewing our
 825                         # own talk page
 826                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 827                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 828                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 829                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 830                                 # disable caching
 831                                 $wgOut->setSquidMaxage(0);
 832                                 $wgOut->enableClientCache(false);
 833                         }
 834                 }
 835
 836                 $undelete = $this->getUndeleteLink();
 837                 if( !empty( $undelete ) ) {
 838                         $s .= ' | '.$undelete;
 839                 }
 840                 return $s;
 841         }
 842
 843         function getUndeleteLink() {
 844                 global $wgUser, $wgTitle, $wgContLang, $wgLang, $action;
 845                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 846                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 847                         ($n = $wgTitle->isDeleted() ) )
 848                 {
 849                         if ( $wgUser->isAllowed( 'undelete' ) ) {
 850                                 $msg = 'thisisdeleted';
 851                         } else {
 852                                 $msg = 'viewdeleted';
 853                         }
 854                         return wfMsg( $msg,
 855                                 $this->makeKnownLinkObj(
 856                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 857                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $wgLang->formatNum( $n ) ) ) );
 858                 }
 859                 return '';
 860         }
 861
 862         function printableLink() {
 863                 global $wgOut, $wgFeedClasses, $wgRequest;
 864
 865                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 866
 867                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 868                 if( $wgOut->isSyndicated() ) {
 869                         foreach( $wgFeedClasses as $format => $class ) {
 870                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 871                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 872                         }
 873                 }
 874                 return $s;
 875         }
 876
 877         function pageTitle() {
 878                 global $wgOut;
 879                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 880                 return $s;
 881         }
 882
 883         function pageSubtitle() {
 884                 global $wgOut;
 885
 886                 $sub = $wgOut->getSubtitle();
 887                 if ( '' == $sub ) {
 888                         global $wgExtraSubtitle;
 889                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 890                 }
 891                 $subpages = $this->subPageSubtitle();
 892                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 893                 $s = "<p class='subtitle'>{$sub}</p>\n";
 894                 return $s;
 895         }
 896
 897         function subPageSubtitle() {
 898                 $subpages = '';
 899                 if(!wfRunHooks('SkinSubPageSubtitle', array(&$subpages)))
 900                         return $subpages;
 901
 902                 global $wgOut, $wgTitle;
 903                 if($wgOut->isArticle() && MWNamespace::hasSubpages( $wgTitle->getNamespace() )) {
 904                         $ptext=$wgTitle->getPrefixedText();
 905                         if(preg_match('/\//',$ptext)) {
 906                                 $links = explode('/',$ptext);
 907                                 array_pop( $links );
 908                                 $c = 0;
 909                                 $growinglink = '';
 910                                 $display = '';
 911                                 foreach($links as $link) {
 912                                         $growinglink .= $link;
 913                                         $display .= $link;
 914                                         $linkObj = Title::newFromText( $growinglink );
 915                                         if( is_object( $linkObj ) && $linkObj->exists() ){
 916                                                 $getlink = $this->makeKnownLinkObj( $linkObj, htmlspecialchars( $display ) );
 917                                                 $c++;
 918                                                 if ($c>1) {
 919                                                         $subpages .= ' | ';
 920                                                 } else  {
 921                                                         $subpages .= '&lt; ';
 922                                                 }
 923                                                 $subpages .= $getlink;
 924                                                 $display = '';
 925                                         } else {
 926                                                 $display .= '/';
 927                                         }
 928                                         $growinglink .= '/';
 929                                 }
 930                         }
 931                 }
 932                 return $subpages;
 933         }
 934
 935         /**
 936          * Returns true if the IP should be shown in the header
 937          */
 938         function showIPinHeader() {
 939                 global $wgShowIPinHeader;
 940                 return $wgShowIPinHeader && session_id() != '';
 941         }
 942
 943         function nameAndLogin() {
 944                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
 945
 946                 $logoutPage = $wgContLang->specialPage( 'Userlogout' );
 947
 948                 $ret = '';
 949                 if ( $wgUser->isAnon() ) {
 950                         if( $this->showIPinHeader() ) {
 951                                 $name = wfGetIP();
 952
 953                                 $talkLink = $this->link( $wgUser->getTalkPage(),
 954                                         $wgLang->getNsText( NS_TALK ) );
 955
 956                                 $ret .= "$name ($talkLink)";
 957                         } else {
 958                                 $ret .= wfMsg( 'notloggedin' );
 959                         }
 960
 961                         $returnTo = $wgTitle->getPrefixedDBkey();
 962                         $query = array();
 963                         if ( $logoutPage != $returnTo ) {
 964                                 $query['returnto'] = $returnTo;
 965                         }
 966
 967                         $loginlink = $wgUser->isAllowed( 'createaccount' )
 968                                 ? 'nav-login-createaccount'
 969                                 : 'login';
 970                         $ret .= "\n<br />" . $this->link(
 971                                 SpecialPage::getTitleFor( 'Userlogin' ),
 972                                 wfMsg( $loginlink ), array(), $query
 973                         );
 974                 } else {
 975                         $returnTo = $wgTitle->getPrefixedDBkey();
 976                         $talkLink = $this->link( $wgUser->getTalkPage(),
 977                                 $wgLang->getNsText( NS_TALK ) );
 978
 979                         $ret .= $this->link( $wgUser->getUserPage(),
 980                                 htmlspecialchars( $wgUser->getName() ) );
 981                         $ret .= " ($talkLink)<br />";
 982                         $ret .= $this->link(
 983                                 SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 984                                 array(), array( 'returnto' => $returnTo )
 985                         );
 986                         $ret .= ' | ' . $this->specialLink( 'preferences' );
 987                 }
 988                 $ret .= ' | ' . $this->link(
 989                         Title::newFromText( wfMsgForContent( 'helppage' ) ),
 990                         wfMsg( 'help' )
 991                 );
 992
 993                 return $ret;
 994         }
 995
 996         function getSearchLink() {
 997                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 998                 return $searchPage->getLocalURL();
 999         }
1000
1001         function escapeSearchLink() {
1002                 return htmlspecialchars( $this->getSearchLink() );
1003         }
1004
1005         function searchForm() {
1006                 global $wgRequest;
1007                 $search = $wgRequest->getText( 'search' );
1008
1009                 $s = '<form id="searchform'.$this->searchboxes.'" name="search" class="inline" method="post" action="'
1010                   . $this->escapeSearchLink() . "\">\n"
1011                   . '<input type="text" id="searchInput'.$this->searchboxes.'" name="search" size="19" value="'
1012                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
1013                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
1014                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
1015
1016                 // Ensure unique id's for search boxes made after the first
1017                 $this->searchboxes = $this->searchboxes == '' ? 2 : $this->searchboxes + 1;
1018
1019                 return $s;
1020         }
1021
1022         function topLinks() {
1023                 global $wgOut;
1024                 $sep = " |\n";
1025
1026                 $s = $this->mainPageLink() . $sep
1027                   . $this->specialLink( 'recentchanges' );
1028
1029                 if ( $wgOut->isArticleRelated() ) {
1030                         $s .=  $sep . $this->editThisPage()
1031                           . $sep . $this->historyLink();
1032                 }
1033                 # Many people don't like this dropdown box
1034                 #$s .= $sep . $this->specialPagesList();
1035
1036                 $s .= $this->variantLinks();
1037
1038                 $s .= $this->extensionTabLinks();
1039
1040                 return $s;
1041         }
1042
1043         /**
1044          * Compatibility for extensions adding functionality through tabs.
1045          * Eventually these old skins should be replaced with SkinTemplate-based
1046          * versions, sigh...
1047          * @return string
1048          */
1049         function extensionTabLinks() {
1050                 $tabs = array();
1051                 $s = '';
1052                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
1053                 foreach( $tabs as $tab ) {
1054                         $s .= ' | ' . Xml::element( 'a',
1055                                 array( 'href' => $tab['href'] ),
1056                                 $tab['text'] );
1057                 }
1058                 return $s;
1059         }
1060
1061         /**
1062          * Language/charset variant links for classic-style skins
1063          * @return string
1064          */
1065         function variantLinks() {
1066                 $s = '';
1067                 /* show links to different language variants */
1068                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
1069                 $variants = $wgContLang->getVariants();
1070                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
1071                         foreach( $variants as $code ) {
1072                                 $varname = $wgContLang->getVariantname( $code );
1073                                 if( $varname == 'disable' )
1074                                         continue;
1075                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
1076                         }
1077                 }
1078                 return $s;
1079         }
1080
1081         function bottomLinks() {
1082                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
1083                 $sep = " |\n";
1084
1085                 $s = '';
1086                 if ( $wgOut->isArticleRelated() ) {
1087                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1088                         if ( $wgUser->isLoggedIn() ) {
1089                                 $s .= $sep . $this->watchThisPage();
1090                         }
1091                         $s .= $sep . $this->talkLink()
1092                           . $sep . $this->historyLink()
1093                           . $sep . $this->whatLinksHere()
1094                           . $sep . $this->watchPageLinksLink();
1095
1096                         if ($wgUseTrackbacks)
1097                                 $s .= $sep . $this->trackbackLink();
1098
1099                         if ( $wgTitle->getNamespace() == NS_USER
1100                             || $wgTitle->getNamespace() == NS_USER_TALK )
1101
1102                         {
1103                                 $id=User::idFromName($wgTitle->getText());
1104                                 $ip=User::isIP($wgTitle->getText());
1105
1106                                 if($id || $ip) { # both anons and non-anons have contri list
1107                                         $s .= $sep . $this->userContribsLink();
1108                                 }
1109                                 if( $this->showEmailUser( $id ) ) {
1110                                         $s .= $sep . $this->emailUserLink();
1111                                 }
1112                         }
1113                         if ( $wgTitle->getArticleId() ) {
1114                                 $s .= "\n<br />";
1115                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1116                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1117                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1118                         }
1119                         $s .= "<br />\n" . $this->otherLanguages();
1120                 }
1121                 return $s;
1122         }
1123
1124         function pageStats() {
1125                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1126                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1127
1128                 $oldid = $wgRequest->getVal( 'oldid' );
1129                 $diff = $wgRequest->getVal( 'diff' );
1130                 if ( ! $wgOut->isArticle() ) { return ''; }
1131                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1132                 if ( 0 == $wgArticle->getID() ) { return ''; }
1133
1134                 $s = '';
1135                 if ( !$wgDisableCounters ) {
1136                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1137                         if ( $count ) {
1138                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1139                         }
1140                 }
1141
1142                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1143                     require_once('Credits.php');
1144                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1145                 } else {
1146                     $s .= $this->lastModified();
1147                 }
1148
1149                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1150                         $dbr = wfGetDB( DB_SLAVE );
1151                         $watchlist = $dbr->tableName( 'watchlist' );
1152                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1153                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBkey()) .
1154                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1155                         $res = $dbr->query( $sql, 'Skin::pageStats');
1156                         $x = $dbr->fetchObject( $res );
1157
1158                         $s .= ' ' . wfMsgExt( 'number_of_watching_users_pageview',
1159                                 array( 'parseinline' ), $wgLang->formatNum($x->n)
1160                         );
1161                 }
1162
1163                 return $s . ' ' .  $this->getCopyright();
1164         }
1165
1166         function getCopyright( $type = 'detect' ) {
1167                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1168
1169                 if ( $type == 'detect' ) {
1170                         $oldid = $wgRequest->getVal( 'oldid' );
1171                         $diff = $wgRequest->getVal( 'diff' );
1172
1173                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1174                                 $type = 'history';
1175                         } else {
1176                                 $type = 'normal';
1177                         }
1178                 }
1179
1180                 if ( $type == 'history' ) {
1181                         $msg = 'history_copyright';
1182                 } else {
1183                         $msg = 'copyright';
1184                 }
1185
1186                 $out = '';
1187                 if( $wgRightsPage ) {
1188                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1189                 } elseif( $wgRightsUrl ) {
1190                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1191                 } else {
1192                         # Give up now
1193                         return $out;
1194                 }
1195                 $out .= wfMsgForContent( $msg, $link );
1196                 return $out;
1197         }
1198
1199         function getCopyrightIcon() {
1200                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1201                 $out = '';
1202                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1203                         $out = $wgCopyrightIcon;
1204                 } else if ( $wgRightsIcon ) {
1205                         $icon = htmlspecialchars( $wgRightsIcon );
1206                         if ( $wgRightsUrl ) {
1207                                 $url = htmlspecialchars( $wgRightsUrl );
1208                                 $out .= '<a href="'.$url.'">';
1209                         }
1210                         $text = htmlspecialchars( $wgRightsText );
1211                         $out .= "<img src=\"$icon\" alt='$text' />";
1212                         if ( $wgRightsUrl ) {
1213                                 $out .= '</a>';
1214                         }
1215                 }
1216                 return $out;
1217         }
1218
1219         function getPoweredBy() {
1220                 global $wgStylePath;
1221                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1222                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1223                 return $img;
1224         }
1225
1226         function lastModified() {
1227                 global $wgLang, $wgArticle;
1228                 if( $this->mRevisionId ) {
1229                         $timestamp = Revision::getTimestampFromId( $this->mRevisionId, $wgArticle->getId() );
1230                 } else {
1231                         $timestamp = $wgArticle->getTimestamp();
1232                 }
1233                 if ( $timestamp ) {
1234                         $d = $wgLang->date( $timestamp, true );
1235                         $t = $wgLang->time( $timestamp, true );
1236                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1237                 } else {
1238                         $s = '';
1239                 }
1240                 if ( wfGetLB()->getLaggedSlaveMode() ) {
1241                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1242                 }
1243                 return $s;
1244         }
1245
1246         function logoText( $align = '' ) {
1247                 if ( '' != $align ) { $a = " align='{$align}'"; }
1248                 else { $a = ''; }
1249
1250                 $mp = wfMsg( 'mainpage' );
1251                 $mptitle = Title::newMainPage();
1252                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1253
1254                 $logourl = $this->getLogo();
1255                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1256                 return $s;
1257         }
1258
1259         /**
1260          * show a drop-down box of special pages
1261          */
1262         function specialPagesList() {
1263                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1264                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1265                 foreach ( $pages as $name => $page ) {
1266                         $pages[$name] = $page->getDescription();
1267                 }
1268
1269                 $go = wfMsg( 'go' );
1270                 $sp = wfMsg( 'specialpages' );
1271                 $spp = $wgContLang->specialPage( 'Specialpages' );
1272
1273                 $s = '<form id="specialpages" method="get" class="inline" ' .
1274                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1275                 $s .= "<select name=\"wpDropdown\">\n";
1276                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1277
1278
1279                 foreach ( $pages as $name => $desc ) {
1280                         $p = $wgContLang->specialPage( $name );
1281                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1282                 }
1283                 $s .= "</select>\n";
1284                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1285                 $s .= "</form>\n";
1286                 return $s;
1287         }
1288
1289         function mainPageLink() {
1290                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1291                 return $s;
1292         }
1293
1294         function copyrightLink() {
1295                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1296                   wfMsg( 'copyrightpagename' ) );
1297                 return $s;
1298         }
1299
1300         private function footerLink ( $desc, $page ) {
1301                 // if the link description has been set to "-" in the default language,
1302                 if ( wfMsgForContent( $desc )  == '-') {
1303                         // then it is disabled, for all languages.
1304                         return '';
1305                 } else {
1306                         // Otherwise, we display the link for the user, described in their
1307                         // language (which may or may not be the same as the default language),
1308                         // but we make the link target be the one site-wide page.
1309                         return $this->makeKnownLink( wfMsgForContent( $page ),
1310                                 wfMsgExt( $desc, array( 'parsemag', 'escapenoentities' ) ) );
1311                 }
1312         }
1313
1314         function privacyLink() {
1315                 return $this->footerLink( 'privacy', 'privacypage' );
1316         }
1317
1318         function aboutLink() {
1319                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1320         }
1321
1322         function disclaimerLink() {
1323                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1324         }
1325
1326         function editThisPage() {
1327                 global $wgOut, $wgTitle;
1328
1329                 if ( !$wgOut->isArticleRelated() ) {
1330                         $s = wfMsg( 'protectedpage' );
1331                 } else {
1332                         if( $wgTitle->userCan( 'edit' ) && $wgTitle->exists() ) {
1333                                 $t = wfMsg( 'editthispage' );
1334                         } elseif( $wgTitle->userCan( 'create' ) && !$wgTitle->exists() ) {
1335                                 $t = wfMsg( 'create-this-page' );
1336                         } else {
1337                                 $t = wfMsg( 'viewsource' );
1338                         }
1339
1340                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1341                 }
1342                 return $s;
1343         }
1344
1345         /**
1346          * Return URL options for the 'edit page' link.
1347          * This may include an 'oldid' specifier, if the current page view is such.
1348          *
1349          * @return string
1350          * @private
1351          */
1352         function editUrlOptions() {
1353                 global $wgArticle;
1354
1355                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1356                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1357                 } else {
1358                         return "action=edit";
1359                 }
1360         }
1361
1362         function deleteThisPage() {
1363                 global $wgUser, $wgTitle, $wgRequest;
1364
1365                 $diff = $wgRequest->getVal( 'diff' );
1366                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1367                         $t = wfMsg( 'deletethispage' );
1368
1369                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1370                 } else {
1371                         $s = '';
1372                 }
1373                 return $s;
1374         }
1375
1376         function protectThisPage() {
1377                 global $wgUser, $wgTitle, $wgRequest;
1378
1379                 $diff = $wgRequest->getVal( 'diff' );
1380                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1381                         if ( $wgTitle->isProtected() ) {
1382                                 $t = wfMsg( 'unprotectthispage' );
1383                                 $q = 'action=unprotect';
1384                         } else {
1385                                 $t = wfMsg( 'protectthispage' );
1386                                 $q = 'action=protect';
1387                         }
1388                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1389                 } else {
1390                         $s = '';
1391                 }
1392                 return $s;
1393         }
1394
1395         function watchThisPage() {
1396                 global $wgOut, $wgTitle;
1397                 ++$this->mWatchLinkNum;
1398
1399                 if ( $wgOut->isArticleRelated() ) {
1400                         if ( $wgTitle->userIsWatching() ) {
1401                                 $t = wfMsg( 'unwatchthispage' );
1402                                 $q = 'action=unwatch';
1403                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1404                         } else {
1405                                 $t = wfMsg( 'watchthispage' );
1406                                 $q = 'action=watch';
1407                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1408                         }
1409                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1410                 } else {
1411                         $s = wfMsg( 'notanarticle' );
1412                 }
1413                 return $s;
1414         }
1415
1416         function moveThisPage() {
1417                 global $wgTitle;
1418
1419                 if ( $wgTitle->userCan( 'move' ) ) {
1420                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1421                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1422                 } else {
1423                         // no message if page is protected - would be redundant
1424                         return '';
1425                 }
1426         }
1427
1428         function historyLink() {
1429                 global $wgTitle;
1430
1431                 return $this->makeKnownLinkObj( $wgTitle,
1432                   wfMsg( 'history' ), 'action=history' );
1433         }
1434
1435         function whatLinksHere() {
1436                 global $wgTitle;
1437
1438                 return $this->makeKnownLinkObj(
1439                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1440                         wfMsg( 'whatlinkshere' ) );
1441         }
1442
1443         function userContribsLink() {
1444                 global $wgTitle;
1445
1446                 return $this->makeKnownLinkObj(
1447                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1448                         wfMsg( 'contributions' ) );
1449         }
1450
1451         function showEmailUser( $id ) {
1452                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1453                 return $wgEnableEmail &&
1454                        $wgEnableUserEmail &&
1455                        $wgUser->isLoggedIn() && # show only to signed in users
1456                        0 != $id; # we can only email to non-anons ..
1457 #                      '' != $id->getEmail() && # who must have an email address stored ..
1458 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1459 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1460         }
1461
1462         function emailUserLink() {
1463                 global $wgTitle;
1464
1465                 return $this->makeKnownLinkObj(
1466                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1467                         wfMsg( 'emailuser' ) );
1468         }
1469
1470         function watchPageLinksLink() {
1471                 global $wgOut, $wgTitle;
1472
1473                 if ( ! $wgOut->isArticleRelated() ) {
1474                         return '(' . wfMsg( 'notanarticle' ) . ')';
1475                 } else {
1476                         return $this->makeKnownLinkObj(
1477                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1478                                 wfMsg( 'recentchangeslinked' ) );
1479                 }
1480         }
1481
1482         function trackbackLink() {
1483                 global $wgTitle;
1484
1485                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1486                         . wfMsg('trackbacklink') . "</a>";
1487         }
1488
1489         function otherLanguages() {
1490                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1491
1492                 if ( $wgHideInterlanguageLinks ) {
1493                         return '';
1494                 }
1495
1496                 $a = $wgOut->getLanguageLinks();
1497                 if ( 0 == count( $a ) ) {
1498                         return '';
1499                 }
1500
1501                 $s = wfMsg( 'otherlanguages' ) . ': ';
1502                 $first = true;
1503                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1504                 foreach( $a as $l ) {
1505                         if ( ! $first ) { $s .= ' | '; }
1506                         $first = false;
1507
1508                         $nt = Title::newFromText( $l );
1509                         $url = $nt->escapeFullURL();
1510                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1511
1512                         if ( '' == $text ) { $text = $l; }
1513                         $style = $this->getExternalLinkAttributes( $l, $text );
1514                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1515                 }
1516                 if($wgContLang->isRTL()) $s .= '</span>';
1517                 return $s;
1518         }
1519
1520         function bugReportsLink() {
1521                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1522                   wfMsg( 'bugreports' ) );
1523                 return $s;
1524         }
1525
1526         function talkLink() {
1527                 global $wgTitle;
1528
1529                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1530                         # No discussion links for special pages
1531                         return '';
1532                 }
1533
1534                 if( $wgTitle->isTalkPage() ) {
1535                         $link = $wgTitle->getSubjectPage();
1536                         switch( $link->getNamespace() ) {
1537                                 case NS_MAIN:
1538                                         $text = wfMsg( 'articlepage' );
1539                                         break;
1540                                 case NS_USER:
1541                                         $text = wfMsg( 'userpage' );
1542                                         break;
1543                                 case NS_PROJECT:
1544                                         $text = wfMsg( 'projectpage' );
1545                                         break;
1546                                 case NS_IMAGE:
1547                                         $text = wfMsg( 'imagepage' );
1548                                         break;
1549                                 case NS_MEDIAWIKI:
1550                                         $text = wfMsg( 'mediawikipage' );
1551                                         break;
1552                                 case NS_TEMPLATE:
1553                                         $text = wfMsg( 'templatepage' );
1554                                         break;
1555                                 case NS_HELP:
1556                                         $text = wfMsg( 'viewhelppage' );
1557                                         break;
1558                                 case NS_CATEGORY:
1559                                         $text = wfMsg( 'categorypage' );
1560                                         break;
1561                                 default:
1562                                         $text = wfMsg( 'articlepage' );
1563                         }
1564                 } else {
1565                         $link = $wgTitle->getTalkPage();
1566                         $text = wfMsg( 'talkpage' );
1567                 }
1568
1569                 $s = $this->makeLinkObj( $link, $text );
1570
1571                 return $s;
1572         }
1573
1574         function commentLink() {
1575                 global $wgTitle, $wgOut;
1576
1577                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1578                         return '';
1579                 }
1580
1581                 # __NEWSECTIONLINK___ changes behaviour here
1582                 # If it's present, the link points to this page, otherwise
1583                 # it points to the talk page
1584                 if( $wgTitle->isTalkPage() ) {
1585                         $title = $wgTitle;
1586                 } elseif( $wgOut->showNewSectionLink() ) {
1587                         $title = $wgTitle;
1588                 } else {
1589                         $title = $wgTitle->getTalkPage();
1590                 }
1591
1592                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1593         }
1594
1595         /* these are used extensively in SkinTemplate, but also some other places */
1596         static function makeMainPageUrl( $urlaction = '' ) {
1597                 $title = Title::newMainPage();
1598                 self::checkTitle( $title, '' );
1599                 return $title->getLocalURL( $urlaction );
1600         }
1601
1602         static function makeSpecialUrl( $name, $urlaction = '' ) {
1603                 $title = SpecialPage::getTitleFor( $name );
1604                 return $title->getLocalURL( $urlaction );
1605         }
1606
1607         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1608                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1609                 return $title->getLocalURL( $urlaction );
1610         }
1611
1612         static function makeI18nUrl( $name, $urlaction = '' ) {
1613                 $title = Title::newFromText( wfMsgForContent( $name ) );
1614                 self::checkTitle( $title, $name );
1615                 return $title->getLocalURL( $urlaction );
1616         }
1617
1618         static function makeUrl( $name, $urlaction = '' ) {
1619                 $title = Title::newFromText( $name );
1620                 self::checkTitle( $title, $name );
1621                 return $title->getLocalURL( $urlaction );
1622         }
1623
1624         # If url string starts with http, consider as external URL, else
1625         # internal
1626         static function makeInternalOrExternalUrl( $name ) {
1627                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1628                         return $name;
1629                 } else {
1630                         return self::makeUrl( $name );
1631                 }
1632         }
1633
1634         # this can be passed the NS number as defined in Language.php
1635         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1636                 $title = Title::makeTitleSafe( $namespace, $name );
1637                 self::checkTitle( $title, $name );
1638                 return $title->getLocalURL( $urlaction );
1639         }
1640
1641         /* these return an array with the 'href' and boolean 'exists' */
1642         static function makeUrlDetails( $name, $urlaction = '' ) {
1643                 $title = Title::newFromText( $name );
1644                 self::checkTitle( $title, $name );
1645                 return array(
1646                         'href' => $title->getLocalURL( $urlaction ),
1647                         'exists' => $title->getArticleID() != 0 ? true : false
1648                 );
1649         }
1650
1651         /**
1652          * Make URL details where the article exists (or at least it's convenient to think so)
1653          */
1654         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1655                 $title = Title::newFromText( $name );
1656                 self::checkTitle( $title, $name );
1657                 return array(
1658                         'href' => $title->getLocalURL( $urlaction ),
1659                         'exists' => true
1660                 );
1661         }
1662
1663         # make sure we have some title to operate on
1664         static function checkTitle( &$title, $name ) {
1665                 if( !is_object( $title ) ) {
1666                         $title = Title::newFromText( $name );
1667                         if( !is_object( $title ) ) {
1668                                 $title = Title::newFromText( '--error: link target missing--' );
1669                         }
1670                 }
1671         }
1672
1673         /**
1674          * Build an array that represents the sidebar(s), the navigation bar among them
1675          *
1676          * @return array
1677          */
1678         function buildSidebar() {
1679                 global $parserMemc, $wgEnableSidebarCache, $wgSidebarCacheExpiry;
1680                 global $wgLang;
1681                 wfProfileIn( __METHOD__ );
1682
1683                 $key = wfMemcKey( 'sidebar', $wgLang->getCode() );
1684
1685                 if ( $wgEnableSidebarCache ) {
1686                         $cachedsidebar = $parserMemc->get( $key );
1687                         if ( $cachedsidebar ) {
1688                                 wfProfileOut( __METHOD__ );
1689                                 return $cachedsidebar;
1690                         }
1691                 }
1692
1693                 $bar = array();
1694                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1695                 $heading = '';
1696                 foreach ($lines as $line) {
1697                         if (strpos($line, '*') !== 0)
1698                                 continue;
1699                         if (strpos($line, '**') !== 0) {
1700                                 $line = trim($line, '* ');
1701                                 $heading = $line;
1702                                 if( !array_key_exists($heading, $bar) ) $bar[$heading] = array();
1703                         } else {
1704                                 if (strpos($line, '|') !== false) { // sanity check
1705                                         $line = array_map('trim', explode( '|' , trim($line, '* '), 2 ) );
1706                                         $link = wfMsgForContent( $line[0] );
1707                                         if ($link == '-')
1708                                                 continue;
1709                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1710                                                 $text = $line[1];
1711                                         if (wfEmptyMsg($line[0], $link))
1712                                                 $link = $line[0];
1713
1714                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1715                                                 $href = $link;
1716                                         } else {
1717                                                 $title = Title::newFromText( $link );
1718                                                 if ( $title ) {
1719                                                         $title = $title->fixSpecialName();
1720                                                         $href = $title->getLocalURL();
1721                                                 } else {
1722                                                         $href = 'INVALID-TITLE';
1723                                                 }
1724                                         }
1725
1726                                         $bar[$heading][] = array(
1727                                                 'text' => $text,
1728                                                 'href' => $href,
1729                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1730                                                 'active' => false
1731                                         );
1732                                 } else { continue; }
1733                         }
1734                 }
1735                 wfRunHooks('SkinBuildSidebar', array($this, &$bar));
1736                 if ( $wgEnableSidebarCache ) $parserMemc->set( $key, $bar, $wgSidebarCacheExpiry );
1737                 wfProfileOut( __METHOD__ );
1738                 return $bar;
1739         }
1740 }